Dimmer switch



FIG. 1 is front perspective view of a dimmer switch showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a right side view thereof

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The rear view forms no part of the design and is omitted. The portions of the drawings appearing in broken line are for environment only and do not form a part of the design. 

The ornamental design for a dimmer switch, as shown and described. 